Also shun fast downhill running.

还要避免快速下坡跑步。

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Downhill running has its upsides but kills your quads. Here's how to avoid the burn.

下坡跑有好处，但是容易伤着您的股四头肌。以下是如何避免这种伤害。

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This is a good way to rest and recover while avoiding the excessive knee stress that downhill running can cause.

这是个休息的好办法，同时避免下坡时对膝盖产生的过多压力。

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Shining a torch into the gloom reveals boulders swept away in the lava flow, and shelves of rock running downhill and out of sight.

BBC: An Icelandic journey to the centre of the earth

Although the images did not directly show water, they showed bright deposits running several hundred meters, seemingly left by material carried downhill inside the crater by running water, occasionally snaking around obstacles and leaving finger-shaped marks diverting from the main flow.

CNN: Life on Mars?